Discover Best Indonesian Islands: Top Destinations

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Written by Hugo Martinez
Jan 22, 2025 5-min read

This is the ultimate guide on how to visit and explore all the islands, containing geographic basics, logistical help, as well as the vibrant highlights of each destination along with advice on how and where to book any tours within the country.

You’ll learn how to get around the islands, what the tourism pitfalls are, and how to travel responsibly. 

A few safety tips are here too, so that you have the most enjoyable and safest trip possible to this incredible wonderland.

Indonesian Islands Cover

Basic Geographic and Climate Information

Indonesia is an archipelago of over 17,000 islands, each offering something unique. Located in Southeast Asia, the islands stretch between the Indian and Pacific Oceans.

From world-class beaches and vibrant nightlife on Java to the remote, pristine beaches of Raja Ampat, there's something for everyone.

Raja Ampat

The weather is tropical, with two seasons: wet (November-March) and dry (April-October). Temperatures are typically comfortable at 28-30°C (82-86°F), depending on location.

Most people travel by plane, as it's the fastest way to get around. Ferries and boats offer a more scenic way to island-hop, with stunning views, though schedules can change due to weather.

20 Best Indonesian Islands

1. Bali

Known for its beaches, rich culture, and stunning rice paddies, Bali has all kinds of temples and dances, some performed only on the island. 

The ideal time to go is between April and September when it’s dry. 

Bali

2. Lombok

Lombok is famous for its stunning beaches, the imposing Mount Rinjani at its center, and the laid-back Gili Islands offshore. It’s the perfect spot for hiking, surfing, and beaches that are not as packed as those on Bali. 

The best time to visit Lombok is September when the weather is comfortably dry. The main point of entry for most tourists is Lombok International Airport, or you can travel by boat from Bali.

3. Komodo Island

The UNESCO-listed Komodo Island, with its famous Komodo dragons and incredible marine life, offers great hiking, diving, and exploring. 

You’ll have the clearest waters and the most tranquil outdoor conditions during the dry season, from April to December. 

4. Flores

Flores has some stunning natural attractions, including the tri-colored volcanic lakes of Kelimutu. There is abundant cultural diversity and some very isolated villages, making it a fascinating place to explore. 

The best months to explore its landscapes are from June to November. You can fly to the capital, Maumere, on the island from Bali or Jakarta.

Flores

5. Sumbawa

Not as heavily touristed, but with incredible surf, Sumbawa is a haven for the adventurous. There’s Moyo Island (gorgeous) here too! 

April and May are most pleasant but May to October is your best bet weather-wise. The easiest way to get there is to fly from Bali or Lombok to Sumbawa Besar.

6. Sumatra

Sumatra is enormous and home to tropical rainforests too, with orangutans (best seen near Bukit Lawang). The cultural mix is fascinating as well. 

The best time to go is from May to September. You can fly to Medan (the gateway to the island) and then take a taxi or bus.

7. Java

Java is the cultural and political core of Indonesia, home to sights such as Borobudur, and cities like Yogyakarta. The rugged volcanic interior makes it the destination of choice. 

The weather is most comfortable from June to September for outdoor activities. Jakarta and Surabaya have plenty of affordable international options.

Java

8. Borneo (Kalimantan)

The Indonesian portion of the island of Borneo is Kalimantan, famous for its rainforests and wildlife. It’s the launching point for orangutan-spotting excursions. 

The best time to go is from August to October. The main access points are Balikpapan or Pontianak by plane.

9. Sulawesi

Sulawesi is famous for its tranquil landscapes, rare underwater parks, and highland Torajan culture. There’s a wide ranging biodiversity on this island, with plenty of opportunity for culture too. 

Both the weather and the tribal festivals are at their best in July and August. You can reach this island by flying into Makassar or Manado.

10. Raja Ampat

Raja Ampat is all about snorkeling and diving. The marine life here is some of the most diverse and healthiest in the world. Its also got some wonderful beaches where you can relax and soak up the view. 

11. Sumba

Sumba feels untamed and wild, with its remote beaches and traditional ikat. If you like to get away from it all, you’ll love it here. 

The dry season (May–Sep) is the most pleasant time to visit! Fly from Bali or Jakarta to this far-flung paradise.

Sumba

12. Ternate

Located in the Maluku Islands, Ternate has a fascinating history and is home to an active volcano, Mount Gamalama. 

It is best visited from March to August, during the dry season. The easiest way to get there is to fly to Sultan Babullah Airport from Jakarta or Makassar.

13. Bintan

Get to Bintan(ferrysingapore) for beach, golf, and culture (try Penyengat Island). It’s a super easy and close weekend escape. 

February to April are best for fewer people and nicer weather, and it’s a short ferry or flight from Jakarta or via ferry from Singapore.

14. Belitung

Belitung is famous for its white sandy beaches and crystal-clear water. The granite rocks are the perfect backdrop to chill out. 

March through September offers the most comfortable temperatures. Direct flights to H.A.S. Hanandjoeddin Airport can be taken from Jakarta.

15. Nusa Penida

An easy getaway from Bali, Nusa Penida impresses with its rugged cliffs, clear-blue water, and incredible snorkeling. 

Visit between April to October for the best visibility. Ferries from Bali get you there for a fun escape.

Nusa Penida

16. Bangka

A sleepy island with secluded beaches and quaint local villages that still show some Dutch colonial influence. 

Your best exploration window is from March to October. You can fly here direct from Jakarta or get here by ferry from nearby towns.

17. Seram Island

Seram Island in the Maluku Islands is renowned for bird-watching, its diverse flora and fauna, and rugged landscapes. It offers some of Indonesia's best wildlife, both on land and in the sea, with many unique species. 

The highlight is inland trekking, where you can spot Cockatoos, Kingfishers, and 200 other bird species, as well as 8 endemic birdwing butterfly species. 

The best time to visit is between June and August, when the weather is dry and cool. To reach Seram, fly into Bandar Udara Pattimura (Ambon) and take a boat from there.

Seram Island

18. Padar Island

With its viewpoint, Padar Island offers panoramic views of the hills and bays of its rugged terrain. 

The dry season from April to November is perfect for hiking and taking pictures here. A short boat ride from Labuan Bajo gets you to the island.

19. Alor

Alor has pristine coral reefs and some of the oldest villages in the world. It’s a dive haven with vast biodiversity. 

Try to come during May-September for the best weather. Fly to Alor from Kupang or take a direct flight from Bali.

20. Weh Island

Just off the coast of Sumatra lies Weh Island, a paradise for divers. The water is so clear, and the sealife is so plentiful that you won’t want to leave. Spectacular sunsets and peaceful coral gardens complete the experience. 

Best time to visit is between April and September. Point of entry is Banda Aceh, from there you can take a ferry.

Weh Island

Sustainability on the Islands: Responsible Travel Practices

Traveling to Indonesia’s islands can be an incredible experience, but it’s important to be a responsible traveler. 

Engage in conservation efforts by volunteering to clean beaches or restore coral reefs, which not only preserves the islands' beauty but enhances your experience. It’s about enjoying the islands without exploiting them.

Islands in Indonesia

Minimize your environmental impact by using a reusable water bottle and avoiding plastic bags (and plastic water bottles). Some islands even offer freshwater refill stations, so staying hydrated is easy. Walking or cycling instead of using motorized transport helps preserve the island’s authenticity.

Safety Guidelines and Travel Advisories

Traveling to these Indonesian islands is an adventure, but prioritize safety. Check advisories for the islands you plan to visit, as medical facilities can be limited in remote areas. Travel insurance covering medical evacuation is recommended, and always carry a basic first-aid kit for minor injuries.

Health Insurance

Keep emergency contacts handy, including numbers for police, the embassy, and medical services. Stay cautious—avoid flaunting valuables and keep an eye on your belongings.

Health risks vary by location, so pack mosquito repellent and wear long sleeves. Stick to bottled water and be cautious with street food to avoid stomach issues.

For activities like trekking and snorkeling, ensure your gear is in good condition, and consider hiring local guides for safety. Traveling prepared means traveling safely, so follow these precautions to enjoy your island vacation!

Conclusion

Indonesia is a stunning archipelago, offering an array of islands each with its unique charm. From Bali's vibrant culture and natural beauty to the untouched serenity of the Gili Islands, there's something for every traveler. 

Whether you're seeking adventure, relaxation, or cultural experiences, Indonesia's islands provide unforgettable experiences that showcase the country's incredible diversity and natural wonders.